In a medium saucepan, bring water to boil over high heat. Stir in couscous, return to a boil, reduce heat, cover tightly and simmer 10-12 minutes or until tender.
Drain in fine mesh sieve and run under cold water to cool completely. Shake off excess liquid.
Meanwhile, in a large bowl, combine pepper, cucumber, onion, spinach, beans, rosemary, garlic, canola oil, lemon zest and juice, vinegar and pepper.
Stir in couscous and toss until well blended. Gently stir in feta.
